2 * RIPngd and zebra interface.
3 * Copyright (C) 1998, 1999 Kunihiro Ishiguro
5 * This file is part of GNU Zebra.
7 * GNU Zebra is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2, or (at your option) any
12 * GNU Zebra is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Zebra; see the file COPYING. If not, write to the Free
19 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
32 #include "ripngd/ripngd.h"
34 /* All information about zebra. */
35 struct zclient
*zclient
= NULL
;
37 /* Callback prototypes for zebra client service. */
38 int ripng_interface_up (int, struct zclient
*, zebra_size_t
);
39 int ripng_interface_down (int, struct zclient
*, zebra_size_t
);
40 int ripng_interface_add (int, struct zclient
*, zebra_size_t
);
41 int ripng_interface_delete (int, struct zclient
*, zebra_size_t
);
42 int ripng_interface_address_add (int, struct zclient
*, zebra_size_t
);
43 int ripng_interface_address_delete (int, struct zclient
*, zebra_size_t
);
46 ripng_zebra_ipv6_add (struct prefix_ipv6
*p
, struct in6_addr
*nexthop
,
47 unsigned int ifindex
, u_char metric
)
51 if (zclient
->redist
[ZEBRA_ROUTE_RIPNG
])
53 api
.type
= ZEBRA_ROUTE_RIPNG
;
56 SET_FLAG (api
.message
, ZAPI_MESSAGE_NEXTHOP
);
58 api
.nexthop
= &nexthop
;
59 SET_FLAG (api
.message
, ZAPI_MESSAGE_IFINDEX
);
61 api
.ifindex
= &ifindex
;
62 SET_FLAG (api
.message
, ZAPI_MESSAGE_METRIC
);
65 zapi_ipv6_route (ZEBRA_IPV6_ROUTE_ADD
, zclient
, p
, &api
);
70 ripng_zebra_ipv6_delete (struct prefix_ipv6
*p
, struct in6_addr
*nexthop
,
75 if (zclient
->redist
[ZEBRA_ROUTE_RIPNG
])
77 api
.type
= ZEBRA_ROUTE_RIPNG
;
80 SET_FLAG (api
.message
, ZAPI_MESSAGE_NEXTHOP
);
82 api
.nexthop
= &nexthop
;
83 SET_FLAG (api
.message
, ZAPI_MESSAGE_IFINDEX
);
85 api
.ifindex
= &ifindex
;
87 zapi_ipv6_route (ZEBRA_IPV6_ROUTE_DELETE
, zclient
, p
, &api
);
91 /* Zebra route add and delete treatment. */
93 ripng_zebra_read_ipv6 (int command
, struct zclient
*zclient
,
98 unsigned long ifindex
;
99 struct in6_addr nexthop
;
100 struct prefix_ipv6 p
;
104 memset (&nexthop
, 0, sizeof (struct in6_addr
));
106 /* Type, flags, message. */
107 api
.type
= stream_getc (s
);
108 api
.flags
= stream_getc (s
);
109 api
.message
= stream_getc (s
);
112 memset (&p
, 0, sizeof (struct prefix_ipv6
));
114 p
.prefixlen
= stream_getc (s
);
115 stream_get (&p
.prefix
, s
, PSIZE (p
.prefixlen
));
117 /* Nexthop, ifindex, distance, metric. */
118 if (CHECK_FLAG (api
.message
, ZAPI_MESSAGE_NEXTHOP
))
120 api
.nexthop_num
= stream_getc (s
);
121 stream_get (&nexthop
, s
, 16);
123 if (CHECK_FLAG (api
.message
, ZAPI_MESSAGE_IFINDEX
))
125 api
.ifindex_num
= stream_getc (s
);
126 ifindex
= stream_getl (s
);
128 if (CHECK_FLAG (api
.message
, ZAPI_MESSAGE_DISTANCE
))
129 api
.distance
= stream_getc (s
);
132 if (CHECK_FLAG (api
.message
, ZAPI_MESSAGE_METRIC
))
133 api
.metric
= stream_getl (s
);
137 if (command
== ZEBRA_IPV6_ROUTE_ADD
)
138 ripng_redistribute_add (api
.type
, RIPNG_ROUTE_REDISTRIBUTE
, &p
, ifindex
, &nexthop
);
140 ripng_redistribute_delete (api
.type
, RIPNG_ROUTE_REDISTRIBUTE
, &p
, ifindex
);
146 ripng_zclient_reset ()
148 zclient_reset (zclient
);
152 ripng_redistribute_unset (int type
)
154 if (! zclient
->redist
[type
])
157 zclient
->redist
[type
] = 0;
159 if (zclient
->sock
> 0)
160 zebra_redistribute_send (ZEBRA_REDISTRIBUTE_DELETE
, zclient
, type
);
162 ripng_redistribute_withdraw (type
);
168 ripng_redistribute_check (int type
)
170 return (zclient
->redist
[type
]);
174 ripng_redistribute_metric_set (int type
, int metric
)
176 ripng
->route_map
[type
].metric_config
= 1;
177 ripng
->route_map
[type
].metric
= metric
;
181 ripng_redistribute_metric_unset (int type
)
183 ripng
->route_map
[type
].metric_config
= 0;
184 ripng
->route_map
[type
].metric
= 0;
189 ripng_redistribute_routemap_set (int type
, const char *name
)
191 if (ripng
->route_map
[type
].name
)
192 free (ripng
->route_map
[type
].name
);
194 ripng
->route_map
[type
].name
= strdup (name
);
195 ripng
->route_map
[type
].map
= route_map_lookup_by_name (name
);
199 ripng_redistribute_routemap_unset (int type
)
201 if (ripng
->route_map
[type
].name
)
202 free (ripng
->route_map
[type
].name
);
204 ripng
->route_map
[type
].name
= NULL
;
205 ripng
->route_map
[type
].map
= NULL
;
208 /* Redistribution types */
214 {ZEBRA_ROUTE_KERNEL
, 1, "kernel"},
215 {ZEBRA_ROUTE_CONNECT
, 1, "connected"},
216 {ZEBRA_ROUTE_STATIC
, 1, "static"},
217 {ZEBRA_ROUTE_OSPF6
, 1, "ospf6"},
218 {ZEBRA_ROUTE_BGP
, 1, "bgp"},
223 ripng_redistribute_clean ()
227 for (i
= 0; redist_type
[i
].str
; i
++)
229 if (zclient
->redist
[redist_type
[i
].type
])
231 if (zclient
->sock
> 0)
232 zebra_redistribute_send (ZEBRA_REDISTRIBUTE_DELETE
,
233 zclient
, redist_type
[i
].type
);
235 zclient
->redist
[redist_type
[i
].type
] = 0;
237 /* Remove the routes from RIPng table. */
238 ripng_redistribute_withdraw (redist_type
[i
].type
);
246 "Enable a routing process\n"
247 "Make connection to zebra daemon\n")
249 vty
->node
= ZEBRA_NODE
;
251 zclient_start (zclient
);
255 DEFUN (no_router_zebra
,
259 "Disable a routing process\n"
260 "Stop connection to zebra daemon\n")
263 zclient_stop (zclient
);
267 DEFUN (ripng_redistribute_ripng
,
268 ripng_redistribute_ripng_cmd
,
269 "redistribute ripng",
270 "Redistribute information from another routing protocol\n"
273 zclient
->redist
[ZEBRA_ROUTE_RIPNG
] = 1;
277 DEFUN (no_ripng_redistribute_ripng
,
278 no_ripng_redistribute_ripng_cmd
,
279 "no redistribute ripng",
281 "Redistribute information from another routing protocol\n"
284 zclient
->redist
[ZEBRA_ROUTE_RIPNG
] = 0;
288 DEFUN (ripng_redistribute_type
,
289 ripng_redistribute_type_cmd
,
290 "redistribute (kernel|connected|static|ospf6|bgp)",
291 "Redistribute information from another routing protocol\n"
295 "Open Shortest Path First (OSPFv3)\n"
296 "Border Gateway Protocol (BGP)\n")
300 for(i
= 0; redist_type
[i
].str
; i
++)
302 if (strncmp (redist_type
[i
].str
, argv
[0],
303 redist_type
[i
].str_min_len
) == 0)
305 zclient_redistribute (ZEBRA_REDISTRIBUTE_ADD
, zclient
, redist_type
[i
].type
);
310 vty_out(vty
, "Invalid type %s%s", argv
[0],
316 DEFUN (no_ripng_redistribute_type
,
317 no_ripng_redistribute_type_cmd
,
318 "no redistribute (kernel|connected|static|ospf6|bgp)",
320 "Redistribute information from another routing protocol\n"
324 "Open Shortest Path First (OSPFv3)\n"
325 "Border Gateway Protocol (BGP)\n")
329 for (i
= 0; redist_type
[i
].str
; i
++)
331 if (strncmp(redist_type
[i
].str
, argv
[0],
332 redist_type
[i
].str_min_len
) == 0)
334 ripng_redistribute_metric_unset (redist_type
[i
].type
);
335 ripng_redistribute_routemap_unset (redist_type
[i
].type
);
336 return ripng_redistribute_unset (redist_type
[i
].type
);
340 vty_out(vty
, "Invalid type %s%s", argv
[0],
347 DEFUN (ripng_redistribute_type_metric
,
348 ripng_redistribute_type_metric_cmd
,
349 "redistribute (kernel|connected|static|ospf6|bgp) metric <0-16>",
350 "Redistribute information from another routing protocol\n"
354 "Open Shortest Path First (OSPFv3)\n"
355 "Border Gateway Protocol (BGP)\n"
362 metric
= atoi (argv
[1]);
364 for (i
= 0; redist_type
[i
].str
; i
++) {
365 if (strncmp(redist_type
[i
].str
, argv
[0],
366 redist_type
[i
].str_min_len
) == 0)
368 ripng_redistribute_metric_set (redist_type
[i
].type
, metric
);
369 zclient_redistribute (ZEBRA_REDISTRIBUTE_ADD
, zclient
, redist_type
[i
].type
);
374 vty_out(vty
, "Invalid type %s%s", argv
[0],
380 ALIAS (no_ripng_redistribute_type
,
381 no_ripng_redistribute_type_metric_cmd
,
382 "no redistribute (kernel|connected|static|ospf6|bgp) metric <0-16>",
384 "Redistribute information from another routing protocol\n"
388 "Open Shortest Path First (OSPFv3)\n"
389 "Border Gateway Protocol (BGP)\n"
393 DEFUN (ripng_redistribute_type_routemap
,
394 ripng_redistribute_type_routemap_cmd
,
395 "redistribute (kernel|connected|static|ospf6|bgp) route-map WORD",
396 "Redistribute information from another routing protocol\n"
400 "Open Shortest Path First (OSPFv3)\n"
401 "Border Gateway Protocol (BGP)\n"
402 "Route map reference\n"
403 "Pointer to route-map entries\n")
407 for (i
= 0; redist_type
[i
].str
; i
++) {
408 if (strncmp(redist_type
[i
].str
, argv
[0],
409 redist_type
[i
].str_min_len
) == 0)
411 ripng_redistribute_routemap_set (redist_type
[i
].type
, argv
[1]);
412 zclient_redistribute (ZEBRA_REDISTRIBUTE_ADD
, zclient
, redist_type
[i
].type
);
417 vty_out(vty
, "Invalid type %s%s", argv
[0],
423 ALIAS (no_ripng_redistribute_type
,
424 no_ripng_redistribute_type_routemap_cmd
,
425 "no redistribute (kernel|connected|static|ospf6|bgp) route-map WORD",
427 "Redistribute information from another routing protocol\n"
431 "Open Shortest Path First (OSPFv3)\n"
432 "Border Gateway Protocol (BGP)\n"
433 "Route map reference\n"
434 "Pointer to route-map entries\n")
436 DEFUN (ripng_redistribute_type_metric_routemap
,
437 ripng_redistribute_type_metric_routemap_cmd
,
438 "redistribute (kernel|connected|static|ospf6|bgp) metric <0-16> route-map WORD",
439 "Redistribute information from another routing protocol\n"
443 "Open Shortest Path First (OSPFv3)\n"
444 "Border Gateway Protocol (BGP)\n"
447 "Route map reference\n"
448 "Pointer to route-map entries\n")
453 metric
= atoi (argv
[1]);
455 for (i
= 0; redist_type
[i
].str
; i
++) {
456 if (strncmp(redist_type
[i
].str
, argv
[0],
457 redist_type
[i
].str_min_len
) == 0)
459 ripng_redistribute_metric_set (redist_type
[i
].type
, metric
);
460 ripng_redistribute_routemap_set (redist_type
[i
].type
, argv
[2]);
461 zclient_redistribute (ZEBRA_REDISTRIBUTE_ADD
, zclient
, redist_type
[i
].type
);
466 vty_out(vty
, "Invalid type %s%s", argv
[0],
472 ALIAS (no_ripng_redistribute_type
,
473 no_ripng_redistribute_type_metric_routemap_cmd
,
474 "no redistribute (kernel|connected|static|ospf6|bgp) metric <0-16> route-map WORD",
476 "Redistribute information from another routing protocol\n"
480 "Open Shortest Path First (OSPFv3)\n"
481 "Border Gateway Protocol (BGP)\n"
482 "Route map reference\n"
483 "Pointer to route-map entries\n")
486 ripng_redistribute_write (struct vty
*vty
, int config_mode
)
490 for (i
= 0; i
< ZEBRA_ROUTE_MAX
; i
++)
491 if (i
!= zclient
->redist_default
&& zclient
->redist
[i
])
495 if (ripng
->route_map
[i
].metric_config
)
497 if (ripng
->route_map
[i
].name
)
498 vty_out (vty
, " redistribute %s metric %d route-map %s%s",
499 zebra_route_string(i
), ripng
->route_map
[i
].metric
,
500 ripng
->route_map
[i
].name
, VTY_NEWLINE
);
502 vty_out (vty
, " redistribute %s metric %d%s",
503 zebra_route_string(i
), ripng
->route_map
[i
].metric
,
508 if (ripng
->route_map
[i
].name
)
509 vty_out (vty
, " redistribute %s route-map %s%s",
510 zebra_route_string(i
), ripng
->route_map
[i
].name
,
513 vty_out (vty
, " redistribute %s%s", zebra_route_string(i
),
518 vty_out (vty
, " %s", zebra_route_string(i
));
522 /* RIPng configuration write function. */
524 zebra_config_write (struct vty
*vty
)
526 if (! zclient
->enable
)
528 vty_out (vty
, "no router zebra%s", VTY_NEWLINE
);
531 else if (! zclient
->redist
[ZEBRA_ROUTE_RIPNG
])
533 vty_out (vty
, "router zebra%s", VTY_NEWLINE
);
534 vty_out (vty
, " no redistribute ripng%s", VTY_NEWLINE
);
540 /* Zebra node structure. */
541 struct cmd_node zebra_node
=
544 "%s(config-router)# ",
547 /* Initialize zebra structure and it's commands. */
551 /* Allocate zebra structure. */
552 zclient
= zclient_new ();
553 zclient_init (zclient
, ZEBRA_ROUTE_RIPNG
);
555 zclient
->interface_up
= ripng_interface_up
;
556 zclient
->interface_down
= ripng_interface_down
;
557 zclient
->interface_add
= ripng_interface_add
;
558 zclient
->interface_delete
= ripng_interface_delete
;
559 zclient
->interface_address_add
= ripng_interface_address_add
;
560 zclient
->interface_address_delete
= ripng_interface_address_delete
;
561 zclient
->ipv6_route_add
= ripng_zebra_read_ipv6
;
562 zclient
->ipv6_route_delete
= ripng_zebra_read_ipv6
;
564 /* Install zebra node. */
565 install_node (&zebra_node
, zebra_config_write
);
567 /* Install command element for zebra node. */
568 install_element (CONFIG_NODE
, &router_zebra_cmd
);
569 install_element (CONFIG_NODE
, &no_router_zebra_cmd
);
570 install_default (ZEBRA_NODE
);
571 install_element (ZEBRA_NODE
, &ripng_redistribute_ripng_cmd
);
572 install_element (ZEBRA_NODE
, &no_ripng_redistribute_ripng_cmd
);
574 /* Install command elements to ripng node */
575 install_element (RIPNG_NODE
, &ripng_redistribute_type_cmd
);
576 install_element (RIPNG_NODE
, &ripng_redistribute_type_routemap_cmd
);
577 install_element (RIPNG_NODE
, &ripng_redistribute_type_metric_cmd
);
578 install_element (RIPNG_NODE
, &ripng_redistribute_type_metric_routemap_cmd
);
579 install_element (RIPNG_NODE
, &no_ripng_redistribute_type_cmd
);
580 install_element (RIPNG_NODE
, &no_ripng_redistribute_type_routemap_cmd
);
581 install_element (RIPNG_NODE
, &no_ripng_redistribute_type_metric_cmd
);
582 install_element (RIPNG_NODE
, &no_ripng_redistribute_type_metric_routemap_cmd
);